{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "28851",
    "entityType": "User",
    "nonce": "0x1f83d83d8595f5c593b68ad053b57a088848cd83788ea0420bd091a553bfabc4",
    "signature": "0x756f3d4aec8796c96187eea11aca8d55530170ad3cc2fe464130ae4d34f8dfe51a52ed3b8a15874d2cdec664c5aa40f803a1387ba000c672275fa515ef0133751c",
    "signer": "0xa2DaB1ebF6D10325b0948C994b592F7abB2Df44C",
    "userId": "728570067"
  }
}